Since the fourth-generation iPad Air made its debut in 2020, its appearance has remained largely consistent across several subsequent iterations, establishing it as the Apple tablet model with the most enduring design. Over this period, the iPad Air has seen its internal chips evolve from the M1 to the M2, M3, and now the M4, yet its external design has stayed the same. However, this long-standing trend of upgrading through 'casing reuse' might come to an end in 2027.
